5.4 engine click noise when cold (Full Version)

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5.4 engine click noise when cold

  

rpalm -> 5.4 engine click noise when cold (6/20/2005 3:10:30 PM)

I have a 99 Expedition with 65,000 miles. It has developed a strange noise for the first two minutes after a cold start. It sounds like a lifter click, but it grows noisier for about 30 seconds, then stops abruptly. It will restart softly, grow louder for 30 seconds, then stop abruptly. I have flushed the motor out repeatedly with the 5-minute can of motor flush, always using 6 quarts of cheap oil to rinse it out, then change the oil again and put in good oil. It's extremely clean. If that noise is a lifter, it's not because it's dirty. The noise seems to be on the driver side, near the top, and toward the rear of the engine.

Has anyone else had this situation? Can a lifter click cycle through a noisy/silent pattern for several minutes while warming up?

rpalm
Chicago, IL

  
Spectre -> RE: 5.4 engine click noise when cold (6/27/2005 11:20:26 AM)

Airconditioner compressor clutch?

rpalm -> RE: 5.4 engine click noise when cold (7/3/2005 1:09:30 AM)

It turns out that the noise is a lash adjuster (valve lifter on a SOHC engine). There is a tool that makes it possible to replace rockers and lifters on the Triton engines without removing the heads or even the camshaft, only the valve cover. I ordered a set of new lifters and rockers. We'll see how that goes. This will save me a bundle if it works. Here's the tool: http://www.etoolcart.com/browseproducts/Ford-Valve-Spring-Compressor---303-567.HTML


rpalm -> RE: 5.4 engine click noise when cold (7/13/2005 1:13:31 PM)

Works like a charm! The new lifters really restored the power, too. Once the valve cover is off, it takes maybe 30 minutes to replace all 8 lifters and rockers on one side of the engine. Turning the crank to get the lobes out of the way makes each replacement easier.

daniel981 -> RE: 5.4 engine click noise when cold (9/19/2007 9:50:42 PM)

Hate to bring this back from the dead, but this is the only information that I have found that comes close to the symptoms of my dads 2000 Expedition.  How difficult is this job to do? My dad and I are both pretty good when it comes to working on things, mechanically inclined if you will.  If there is any other information that you could offer, that would be awesome. Thanks.

rpalm -> RE: 5.4 engine click noise when cold (9/20/2007 12:21:20 AM)

You will absolutely need the $20 tool for replacing the rockers and lash adjusters.  It pushes the valve spring down so you can replace the parts with your other hand.  That part is a breeze - if you have that tool.

The real pain is getting the valve covers off and on.  Moving things out of the way, dealing with rusty bolts, things like that.  Plan on 3-4 hours per side.  By the time the valve cover is off, it's easy to see why you want to replace all the rockers and lash adjusters in one shot.  The parts are cheap, just change them all so they match.  The engine will run much better with a whole new set. 

There's nothing techie or tricky about it, just look over the valve covers closely to see what you'll have to move to get them out and  back in without wrecking the valve cover gasket. 

daniel981 -> RE: 5.4 engine click noise when cold (9/20/2007 8:31:22 AM)

Sweet, thanks!

rockbotdom -> RE: 5.4 engine click noise when cold (10/12/2007 3:22:23 PM)

[:@] I WOULD LIKE TO KNOW WHERE CAN I PURCHASE THAT $20 TOOL

O2THPIC -> RE: 5.4 engine click noise when cold (10/16/2007 8:36:01 AM)

Did you ever find out any info on this valve compressor tool?

quote:

ORIGINAL: rockbotdom

[:@] I WOULD LIKE TO KNOW WHERE CAN I PURCHASE THAT $20 TOOL

onelap -> RE: 5.4 engine click noise when cold (10/16/2007 12:45:30 PM)

http://www.etoolcart.com/browseproducts/Valve-Spring-Compressor.html

  

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